sci-chemistry/cpmgfit: Drop all KEYWORDS due to broken revdeps

Package-Manager: portage-2.2.14
sci-chemistry/curvefit: Drop all KEYWORDS due to broken revdeps

Package-Manager: portage-2.2.14
sci-chemistry/modelfree: Drop all KEYWORDS due to broken revdeps

Package-Manager: portage-2.2.14
sci-chemistry/module2: Drop all KEYWORDS due to broken revdeps

Package-Manager: portage-2.2.14
sci-chemistry/nmrpipe: Drop all KEYWORDS due to broken revdeps

Package-Manager: portage-2.2.14
sci-chemistry/unio: Drop all KEYWORDS due to broken revdeps

Package-Manager: portage-2.2.14